.banner {
  position: relative;
  width: 93.6vw;
  height: 47.4667vw;
  margin: 0 auto;
  border-radius: 1.0667vw;
  overflow: hidden;
  box-shadow: 0 1.7333vw 2.8vw 0 rgba(132, 52, 51, .07) ;

  img {
    width: 100%;
    height: 100%;
  }

  .icon {
    position: absolute;
    width: 10px;
    height: 4px;
    bottom: 2.5333vw;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 6px;
    background-color: #fff;
  }
}